420975095 has 8 divisors (see below), whose sum is σ = 527134176. Its totient is φ = 322137376.

The previous prime is 420975083. The next prime is 420975109. The reversal of 420975095 is 590579024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420975095 - 2¹⁸ = 420712951 is a prime.

It is a super-2 number, since 2×420975095² = 354440061220518050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830212 + ... + 1830441.

It is an arithmetic number, because the mean of its divisors is an integer number (65891772).

Almost surely, 2^420975095 is an apocalyptic number.

420975095 is a deficient number, since it is larger than the sum of its proper divisors (106159081).

420975095 is a wasteful number, since it uses less digits than its factorization.

420975095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660681.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 420975095 is about 20517.6776219922. The cubic root of 420975095 is about 749.4663433338.

The spelling of 420975095 in words is "four hundred twenty million, nine hundred seventy-five thousand, ninety-five".